Rodney ๐ง๐ @chanface.bsky.social ๐๏ธ๐ Co-host of @dwelltime.ca, a transit podcast
๐๐ฒ Co-lead at @TriTAG.ca
Transit Politics & Planning | Housing | Cities | 24 | @uwaterloo.ca Planning | Toronto/Waterloo | ๐จ๐ฆ๐ณ๏ธโ๐๐ญ๐ฐ
Ben MacLeod ้ฆฌๅฟๆ @benmacleod.bsky.social Hong Kong / Halifax, urban & transportation things (he/him)
Luoman_art @luomanart.bsky.social 
Artie Vierkant @avierkant.bsky.social Death Panel podcast @deathpanel.bsky.social
patreon.com/deathpanelpod
wrote Health Communism (Verso, 2022) with Beatrice Adler-Bolton @reallandsend.bsky.social // forthcoming ALL CARE FOR ALL PEOPLE (Haymarket, 2027)
๐ท
Christoph Becker is on mastodon @cbsocial.bsky.social https://hci.social/@cbecker
Mayor Zohran Kwame Mamdani @mayor.nyc.gov Fighting every day to deliver a city that working New Yorkers can actually afford. Mayor of New York City.
OrbWitch @wildwoodgames.bsky.social Jupiter A. Wildwood (she/yours)
TTPRG Creator | Access Worker in Toronto
Friends wear masks ๐ทโจ๏ธ
Editor @SummoningPress / Splat Magazine
https://orbwitch.com/
orbwitch@pm.me
Michelle Wu ๅณๅผญ @wutrain.bsky.social Mayor of Boston โข Mom to Blaise, Cass & Mira โข Personal account
michelleforboston.com
Eman Abdelhadi @emanabdelhadi.bsky.social Assistant Prof at UChicago | Sociologist | Columnist @Inthesetimesmag.bsky.social | Co-author of revolutionary sci-fi novel: Everything for Everyone | Subject of documentary film "Coming Around"
Kate Pattle @jumpingjupiters.bsky.social Astrophysicist at University College London (UCL). Interested in all things star formation-related, many things not star formation-related, and magnetic fields! All views my own, of course.
Maike Osborne @maosbot.bsky.social Mother, wife, Australian, Professor of Machine Learning in Oxford. Long Covid, trans rights, music, reggae, AI must be good for humans, https://www.robots.ox.ac.uk/~mosb. She/her ๐ณ๏ธโโง๏ธ๐ณ๏ธโ๐
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
Erica Chenoweth @chenoweth.bsky.social Political scientist & part-time farmer. Books: 'On Revolutions' (2022), 'Civil Resistance' (2021), & 'The Politics of Terror' (2019). Coming soon: 'Bread & Roses' & 'The End of People Power.' https://www.ericachenoweth.com. What a time to be alive.
Carl T. Bergstrom @carlbergstrom.com Professor, UW Biology / Santa Fe Institute
I study how information flows in biology, science, and society.
Book: *Calling Bullshit*, http://tinyurl.com/fdcuvd7b
LLM course: https://thebullshitmachines.com
Corvids: https://tinyurl.com/mr2n5ymk
he/him
Timothy Snyder @timothysnyder.bsky.social Temerty Professor of Modern European History, Munk School, University of Toronto; Permanent Fellow, IWM Vienna; Emeritus Levin Professor, Yale. Author of "On Freedom," "On Tyranny," "Our Malady," "Road to Unfreedom," "Black Earth," and "Bloodlands"
Astronomers Turned Data Scientists @atds.space Astronomers Turned Data Scientists (ATDS) is a community of former astronomers in data science, current astronomers interested in Data-related topics, as well as anyone who might be interested in transitioning into a data science career.
The Tyee @thetyee.ca Independent BC-based journalism swimming against the current. Paywall-free since 2003. support.thetyee.ca
Dr. Kareem Carr, Ph.D. @kareemcarr.bsky.social Statistician. PhD @Harvard โข Masters degree in pure math โข Follow me for fun, nerdy content.
Sign up to my newsletter: kareemcarr.substack.com
Emerson Howitt @emersonhowitt.bsky.social Political junkie. He/him
The Narwhal @thenarwhal.ca Our pod of investigative journalists dives deep to tell stories about the natural world in Canada you canโt find anywhere else. Sign up for our newsletter: http://thenarwhal.ca/newsletter or become a member: https://thenarwhal.ca/bsky-member/
Naomi Klein @naomiaklein.bsky.social "End Times Fascism" book coming September 2026.
Doppelganger. This Changes Everything. The Shock Doctrine. No Logo. On Fire.
UBC Professor of Climate Justice.
๐ https://linktr.ee/naomiklein
Chris J. Maddison @cmaddis.bsky.social Asst. Prof. in Machine Learning at UofT. #LongCOVID patient.
https://www.cs.toronto.edu/~cmaddis/
Julia MV @julialmv.bsky.social Long COVID patient-researcher
@ Scripps Research & Patient-Led Research Collaborative
Canadian Covid Society @covidsociety.ca At the Canadian Covid Society, we strive to protect the health and safety of people in Canada against the harms of COVID-19 and long Covid, through education, engaging and empowering the public and organizations with scientific knowledge.
Thomas Piggott MD PhD @twpiggott.bsky.social Medical Officer of Health & CEO @phlakelands.bsky.social researcher @hei_mcmaster | dad, doctor, dreamer
David AttenBruh @alexig.bsky.social #Blacksky Nature dummy and co-host of The โWe Out Hereโ Podcast https://podcasters.spotify.com/pod/show/weoutherepod
Jess Speedie @jspeedie.bsky.social 51 Pegasi b Fellow @MIT ๐ช๐ก ๐ฟ๐ฆ๐จ๐ฆ๐ณ๏ธโ๐
Marta Bohdanna Iwanek @martaiwa.bsky.social Photographer + Filmmaker
Based in Toronto/ Tkaronto, Canada.
www.martaiwanek.com
Rachel Barr @drrachelbarr.bsky.social Neuroscientist, author of How to Make Your Brain Your Best Friend ๐๐ง
https://linktr.ee/drrachelbarr
Not One Seat @notoneseat.bsky.social Chip Ford down to a minority
Vote for the candidate most likely to defeat the PCs in your riding
Sign the Unity Pledge
https://act.notoneseat.ca/UnityPledge
Toronto-focused, working for the good of Ontario
https://notoneseat.ca
Fair Vote Canada ๐ณ๏ธ๐ @fairvote.ca Fair Vote Canada is a national citizens' movement for proportional representation. Sign the Declaration and get involved at http://fairvote.ca/declaration
Senator Bernie Sanders @sanders.senate.gov Sen. Sanders of Vermont, Ranking Member of the U.S. Senate Committee on Health, Education, Labor & Pensions, is the longest-serving independent in congressional history.
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
Alt National Park Service @altnps.bsky.social The official "Resistance" team of U.S. National Park Service. Our website: www.ourparks.org
Vanessa Sung, PhD | ๅฎๅฎ่ป๏ผ็ๅๅๅฃซ ๐น๐ผ๐จ๐ฆ @vanessasung.bsky.social Scientist striving for impact at the intersection of science, policy, and justice. Believer in community power. Views mine. She/her ๐งช
Rebellions are built on hope.
North Box Systems @northboxsystems.bsky.social Made-in-Canada PC-fan based air purifier kits:
https://www.northboxsystems.ca
Reece Martin @rmtransit.bsky.social Writer, CS Grad, environmentalist and optimist.
Focused on infrastructure, macro-systems, and excellence. Bylines in The Globe and Mail, Maclean's, and Toronto Star. DMs Open.
https://www.thetransitbrief.net/
Ingrida Semenec @ingrida-semenec.bsky.social Data wizard by day, D&D dungeon master/player by night. PhD in Astroparticle Physics, powered by coffee, chaos, and curiosity. Currently working on multi-agent AI frameworks and fun personal software projects.
June Parsons @mucephie.bsky.social I study the atmospheres of terrestrial exoplanets, looking for bio signatures, and asking if brown dwarfs systems can be habitable. PhD @ York University
29 ๐จ๐ฆ๐๐ช
Timnit Gebru @timnitgebru.blacksky.app Personal Account
Author: Deep Unlearning (you can now preorder at https://shorturl.at/sCdjl)
Founder: The Distributed AI Research Institute (https://dair-institute.org)
Peter Kalmus @climatehuman.bsky.social Climate scientist working at NASA/JPL and lover of truth. Arrested for defending Earth. Opinions mine. 
Mubdi Rahman @mubdi.bsky.social Astronomer and Principal at Sidrat Research, Scientific Editor for the AAS Journals, Unapologetically Muslim, Apologetically Canadian. 
Julie Bolduc-Duval @juliebd.bsky.social Communicatrice scientifique, astronome
Science communicator, astronomer
MrProfChanda @mrprofchanda.bsky.social ๐ ๐๐ท
David Elfstrom ๐ @davidelfstrom.bsky.social P.Eng, Energy management, measurement & verification. Toronto, Canada. Born 327ppm CO2. Climate Action & electrification; Safer infrastructure; cycling; air filtration & ventilation
Tara Moriarty @moriartylab.bsky.social Associate Professor, University of Toronto. Bloodborne infections, Lyme disease, misinfo. COVID-19 Resources Canada. Defend journalism. Look for the helpers. Opinions mine. ๐จ๐ฆ๐ณ๏ธโ๐
https://covid19resources.ca
@evil-cactus.bsky.social @evil-cactus.bsky.social Debugging our knowledge of the Universe one moody ATLASPix at a time.
Particle huntress in training @ LHCb by day, climber, coach and setter by night.
Physics, health equity, and clean air.
Dr Nili Kaplan-Myrth, MD PhD @nilikm.bsky.social #Canadian | Family doctor | Assistant Prof #UOttawa | mother | medical #anthropology | #McGill | #UCL | #Yale | writer | RxAdvocacy | Fulbright Scholar | Commonwealth Scholar | #Ottawa | #MedSky | nilikm.gander.social | personal account (she/her) ๐จ๐ฆ
Dr Jessica Otte, ๐จ๐ฆ MD, CCFP, FCFP ๐ฉบ๐๐ฑ @drotte.medsky.social Palliative care/family doc in Nanaimo, BC. Clinical Associate Prof, UBC Medicine
Focus: the intersection of Palliative Care + sustainability. Was @lessismoremedicine.โค๏ธquaternary prevention, preventing overdiagnosis, goal-concordant EBM, choosing wisely.
Joe Oliver @joeoliver.bsky.social Dad, Pediatrician. I donโt think we should eat our young.
Lindy Smith @lindysmith.bsky.social Iโm a family physician who does specific things. #MedSky #CanadaSky
Mask wearing is a social justice issue. Prevent disability ๐ท
I live in Amiskwaciwรขskahikan | แแฅแขแฒแงแแแงแขแฒแฆแแฒแฃ | Treaty 6 territory with gratitude, and hope to give more than I receive.
Danyaal Raza @danyaalraza.com family MD | UofT associate prof | writing + research on health systems & doing better | danyaalraza.com
David Fisman. @dfisman.bsky.social Notorious pro-vaxxer and pro-masker. Famously unfair to pathogenic viruses, bacteria, fungi, and the Toronto Star.
Weary of all these death threats with so little follow-through.
https://www.dlsph.utoronto.ca/faculty-profile/fisman-david-n
Kashif Pirzada, MD @kashprime.bsky.social Emergency Physician in Toronto. Co-Chair of the Canadian Covid Society.
Fighter of illness and misfortune, interested in history, politics, tech and AI. #fella,๐จ๐ฆ/acc
Dennis Crabtree @astrokahuna.bsky.social Retired astronomer, Canadian astronomy amateur historian, photographer, generative AI creator
Putrino Lab @putrinolab.bsky.social 
Briana Mills, LMFT โฟ๏ธ๐ณ๏ธโ๐ @brianamillslmft.bsky.social Licensed Marriage and Family Therapist (#134337)(#4930-R). Not your therapist. Bi. Specializing in disability, EMDR, and LGBT. Live in California or Nevada and would like to see a disabled therapist? Schedule a free consultation at BrianaMills.com
Prof. Akiko Iwasaki @virusesimmunity.bsky.social We study antiviral immunity and viral disease pathogenesis. We are developing mucosal vaccine strategies to prevent infection and transmission. #COVID19 #longCOVID #vaccines 
Sue @inkblue01.bsky.social Mostly posting about Long Covid
James Andrew Smith @drsmith.bsky.social Engineering professor at York University
J. Offir, PhD @joffirphd.bsky.social Ph.D. in social psychology. Former researcher in pandemic behavioral risk reduction (non-pharma intervention).
Healthcare & public health; psych.; ed.; disability rights; women's rights; environmental issues; politics/activism.
Dr Satoshi Akima, FRACP @toshiakima.bsky.social Nephrology & Internal Medicine. Immunothrombosis incl DIC. ISTH Member. No Conflicts of Interest. Views my own etc
T. Ryan Gregory ๐จ๐ฆ @tryangregory.bsky.social Back off man, I'm a scientist. Evolutionary biologist. Professor. Genome size, junk DNA, applied evolution, sci comm, philosophy of science. Also political stuff. Plus jokes. Onions have 5x more DNA than you do (not a joke). Vimy, not Vichy. He/him.
loscharlos @loscharlos.bsky.social ๐๐๐ท #LongCovid March 2020 ๐ตโ๐ซ
Joaquรญn Beltrรกn @joaquinlife.bsky.social 
Ziyad Al-Aly MD @zalaly.bsky.social Physician | Scientist | working on Long Covid
Kimberly Prather PhD @kprather.bsky.social Atmospheric Chemistry professor, air quality, clouds-climate, health, viruses, bioaerosols, public speaker, environmental justice. โค๏ธ โค๏ธ gardening, cooking, empathy.
https://airborne.ucsd.edu
https://kprather.scrippsprofiles.ucsd.edu/
Laura Miers @lauramiers.bsky.social Chronically ill, LongCovid since 2020. Public health advocate and lived experience expert. Ex-Texan. Medicine, languages, Sociology, & law. Global citizen & polyglot.
Chantzy @chantzy.bsky.social Science communicator & writer โ๐ผ ๐งฌ
MSc epidemiology grad student @ LSHTM
Activist
๐Vancouver, BC
Eric Topol @erictopol.bsky.social physician-scientist, author, editor
https://www.scripps.edu/faculty/topol/
Ground Truths https://erictopol.substack.com
SUPER AGERS https://www.simonandschuster.com/books/Super-Agers/Eric-Topol/9781668067666
Kelly Lepo @kellylepo.bsky.social Astronomer | Science communicator | Adult Lisa Simpson
Freelance writer and editor. Former Education and Outreach Scientist at the Space Telescope Science Institute (@stsci.edu) supporting JWST.
Also on Mastodon: @KellyLepo@scicomm.xyz
Ingrid Stairs @ingridhstairs.bsky.social Pulsars and other fun stuff. And some Canadian politics.
Mike Chen ้ณๆ่ฏ @mikechensf.com San Francisco housing, transportation, good government
๐ณ๏ธโ๐๐๐
Mike Chen @chenmike.com ๐จโ๐ป CTO and Co-Founder of Motivo
๐ Dad of 2
๐ผ Prev: Airbnb, Wealthfront, Google
mikechen.io
Mike Chen @mikechenwriter.bsky.social NYT Bestselling Author
Dabbles in time travel and vampires, Star Wars and Star Trek, novels and comics. Former NHL guy. Friend of dogs.
Next: The Photonic Effect, Star Wars: Low Red Moon
Mikechenwriter on all socials.
Jennifer Heighton @jheighton3.bsky.social Passionate BC teacher, activist. #COVIDisAirborne so ventilate, filtrate, mask up! Physics major. Co-Founder @Protect_BC @SafeSchoolsBC
Mastadon: @jheighton3@zeroes.ca
Twitter (X): @jheighton3
Always aware that I live on unceded Coast Salish territory. 
Eric Kennedy @ericbkennedy.bsky.social Associate Prof of Disaster & Emergency Management at York University. Trying to improve use of evidence, science, data, and wisdom in wildfire. Editor of Canadian Journal of Emergency Management.
Andrew Young ๐จ๐ฆ @young.me Vaccine Hunters Canada Founder. Speaker. Web Developer. Cat/Anime/Keanu Reeves fan. He/him. X was @andryou
๐ young.me
๐ฌ Signal: young.01
Maintainer:
๐ค @craigweekend.bsky.social, @thursaconcept.bsky.social
๐ bsky.to, isblueskydown.com
Pramodh Senarath Yapa @pramodhyapa.bsky.social Physicist with too many hobbies and not enough (imaginary?) time. Currently: NSERC Postdoctoral Fellow @ Uppsala Universitet. Formerly: Universitรคt Innsbruck ๐ฆ๐น, University of Alberta ๐จ๐ฆ, and even more formerly, ๐ฑ๐ฐ.
https://www.pramodhyapa.com/
Dominique Segura-Cox @seguracox.bsky.social Radio astronomer studying protostars. Redneck. First-gen student. "Yes, and..." Assistant Professor of Astronomy at the University of Rochester. Personal account. I like leadership and mentoring. seguracox.com
Laura Parker @lparker.bsky.social Astronomer @McMasterU
Dr. Jillian Scudder @jillianscudder.com Astrophysicist, author (The Universe: A Graphic Guide, 40 Ways to Know A Star, & more), artist, sewist, science communicator. English/Franรงais/ๅญไพใฎๆฅๆฌ่ชใAssociate Professor. hEDS โฟ๏ธ. She/her. ๐ณ๏ธโ๐. Opinions all mine.
https://www.jillianscudder.com/books
The Biggest Mood (KC Simpkins) @kelcsimpkins.bsky.social Science communication + air quality. Writer, artist, photographer, and environmental art nerd. We are in a #ClimateCrisis, #COVIDisAirborne and #COVIDisNotOver.
Brandon Hensley @bhensley.bsky.social Astrophysicist trying to understand our dusty universe
Bryan Gaensler @scibry.bsky.social Dean of Science at the University of California, Santa Cruz (UCSC). Astronomer, sci-fi connoisseur, rugby league devotee, puzzled parent ๐ฆ๐บ๐จ๐ฆ. Opinions โ UCSC.
Santa Cruz CA, USA. He/him. bryangaensler.net
Xavier Mouy @xaviermouy.bsky.social Assistant Scientist at the Woods Hole Institution of Oceanography (WHOI). Developing passive acoustic methods for monitoring fish, marine mammals and soundscapes. ๐ซ๐ท and ๐จ๐ฆ living in ๐บ๐ธ. Views my own.
Website: https://xaviermouy.weebly.com/
Dr. Jake Turner ๐ก๐งฒ๐ช @astrojaket.bsky.social Astronomer studying the magnetic fields & atmospheres of exoplanets at Cornell | Environmentalist & activist | Photographer | Traveler | (he/him) | #BLM #LGBTQ #Climate #Resister #FBR
๐ฆ: astro_journey
๐: https://astrojaketurner.space/
Julia Raifman, ScD @juliaraifman.bsky.social Evidence-based posts about public health & equity. All views are my own and without AI.
Hannah Davis @ahandvanish.bsky.social Research, algorithmic art & music, machine learning, anti-bias in AI data. #LongCovid research & advocacy @patientled.bsky.social.
Astrobites @astrobites.bsky.social Digestible summaries of the latest astronomy research. Written by an international team of grad students for undergrads! Supported by the @AAS_Office. #scicomm
Mark Popinchalk @markpopinchalk.bsky.social Astrophysics postdoc at AMNH | writer for @astrobites.bsky.social | planetarium presenter | Likes ultimate frisbee, volleyball, and all kinds of games. He/Him
Lindsay R. House @lindsayinthehouse.bsky.social Astronomer. Dark Energy Explorers on Zooniverse. Personal website: lindsay.house/
Soichiro Hattori @kbly.bsky.social Astronomy PhD Student at Columbia University
Lou Baya Ould Rouis @lbor.bsky.social Boston University Astronomy PhD candidate ๐ฐ๏ธโ๏ธ๐ญ
star backwards is rats
she/her
Matthieu Schaller @mschaller.bsky.social Lecturer in numerical cosmo @ LION+STRW Leiden University. Lead dev. of @swiftsimulation.bsky.social astro and cosmology code. #HPC. Creator of fake universes; all including cheese. ๐จ๐ญ
www.matthieuschaller.com
๐ต๐ธMartin โDoomsdayโ Pfeiffer๐๐ณ๏ธโ๐ @nuclearanthro.bsky.social Anthro PhD Candidate.
nukes, cats, semiotics, FOIA, existential threats, heritage, nationalism, secrecy, etc.
QUEER
RT/Fave/etc โ agree
he/him
http://patreon.com/nuclearanthro
http://paypal.me/nuclearanthro
https://osf.io/46sfd/
bobby @rbickley.bsky.social astronomy, going on the computer, rarely piano and laptop music
Sierra Grant @sierragrant.bsky.social Carnegie Fellow at the Earth and Planets Laboratory. Protoplanetary + circumplanetary disks. Formerly at MPE, BU, and University of Michigan. She/her. #BiInSci ๐ณ๏ธโ๐โจ๐ญ Opinions are my own.
sierragrant.com
Seba Marino @sebastromarino.bsky.social Associate Professor / Royal Society University Research Fellow in Astronomy at University of Exeter.
Doing research on Planet Formation, Exoplanets & Exocomets ๐โ๏ธ